Pipelayer



FIG. 1 is a perspective view of the a pipelayer showing my new design with the body portion rotated 90 degrees.

FIG. 2 is a side view thereof.

FIG. 3 is a front view thereof, with the body portion rotated 90 degrees; and,

FIG. 4 is a perspective view thereof as illustrated in FIG. 1.

The broken line showing is included for the purpose of illustration and forms no part of the claimed design. 

The ornamental design for a pipelayer, substantially as shown and described. 